47013431522 has 6 divisors (see below), whose sum is σ = 70520607243. Its totient is φ = 23506562442.

The previous prime is 47013431503. The next prime is 47013431533. The reversal of 47013431522 is 22513431074.

It can be written as a sum of positive squares in only one way, i.e., 23506715761 + 23506715761 = 153319^2 + 153319^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=153319.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 229979 + ... + 383297.

Almost surely, 2^47013431522 is an apocalyptic number.

47013431522 is a deficient number, since it is larger than the sum of its proper divisors (23507175721).

47013431522 is an frugal number, since it uses more digits than its factorization.

47013431522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306640 (or 153321 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

Multiplying 47013431522 by its sum of digits (32), we get a square (1504429808704 = 1226552²).

Adding to 47013431522 its reverse (22513431074), we get a palindrome (69526862596).

The spelling of 47013431522 in words is "forty-seven billion, thirteen million, four hundred thirty-one thousand, five hundred twenty-two".